Chemical war on insects is never won because
A) The insecticides are ineffective
B) The insects develop immunity through generations
C) The insecticides are biocides
D) None of the above
Correct Answer:
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Q21: "Obligation to Endure" is the second chapter
Q22: According to Rachel Carson, the most alarming
Q23: Strontium 90 is a-------
A)Radioactive isotope of strontium
B)A
Q24: A branch of zoology that deals with
Q25: Insecticides used for killing insects are really
Q27: Jean Rostand is ------
A)French Biologist
B)German Biologist
C)American Biologist
D)British
Q28: The Ecology of Invasions is a book
Q29: The Green Revolution in the third world
Q30: Manushi is ---------
A)an organization of thinking women
B)A
Q31: Manushi was founded by --------
A)Vandhana Shiva
B)Sarrah Joseph
C)Arundhathi
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